Find the length and direction (when defined) of u × v.u = 4i + 2j + 8k, v = -i - 2j - 2k
A. 180; 
i + 
j + 
k
B. 180; 
i + 
k
C. 6
; 
i + 
k
D. 6
; 
i - 
k
Answer: D
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Find the solution set of the system by graphing the equations by hand. If the system is inconsistent or dependent, say so.
A. (1, -9) B. (-1, -9) C. (-1, 9) D. (1, 18)
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The voter profile below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
Determine the winner using the Borda count method and state whether the winner received a majority of votes.
A. Jones; no B. Smith; no C. Smith; yes D. Jones; yes
Use a graphing calculator to solve the equation to the nearest tenth.x4 - 5x2 + 6 = 0
A. 2, -2, 3, -3 B. 1.4, -1.4, 1.7, -1.7 C. -1, 1.8, 1.8, -1.8 D. 1.4, 1.7
Answer the following statement(s) true (T) or false (F)
The "reversal error" in translating between words and algebraic symbols has been observed among college calculus students.